《中华人民共和国铁路法》本法所称铁路，包括（）和铁路专用线。 ["国家铁路","地方铁路","专用铁路","合资铁路"]
物体知觉
教学动力不是无规则动力，而是有方向的，教师引发的教学动力是为实现教学目标服务的。这说明教学动力具有（）特征。 ["方向性","动力性","动态性","转化性"]
《中华人民共和国铁路法》国家铁路是指由国务院铁路主管部门管理的铁路。
Which three factors have the biggest influence on OSPF scalability？（） ["Flooding paths and redundancy","Amount of routing information in the OSPF area or routing domain","Number of routers with Cisco Express Forwarding enabled","Number of neighbor adjacencies","Other routing protocols in use","OSPF timer reconstruction negotiation","Redistribution with BGP neighbors","Redistribution with other IGP routing protocols， such as RIP or EIGRP"]
少先队组织的特征。
